<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
</head>
<body>
  <div id="app">
    <ul >
      <li v-for="el in columns">{{el}}</li>
    </ul>
  </div>
</body>
<script type="text/javascript" src='../js/vue.js'>
  var demo = new Vue({
    el:"#app",
    data:{
      columns:["custormerID","companyName","contactName",'phone'],
      // dataList:[0:{},1:{},2{}],
    }
  })
</script>
</html>
